1. World of
Warcraft 8.5 million subscribers. WoW as the biggest MMO in the world.
2. RuneScape 5
million active users. MMORPG. Among all the users, some are members buy runescape accounts to join members and some of which
registered free runescape
accounts.
3. Habbo Hotel 7.5
million active users. Social game MMO popular with teens and growing fast
4. Guild Wars 2
million active users. MMORPG
5. Webkinz 3.8
million active users.
6. Gaia Online 2
million active users
7. Club Penguin 4
million active users. MMO for the kiddies social environments like Habbo Hotel.
8. Puzzle Pirates
1.5 million active users
9. Lineage I/II 1
million subscribers MMO
10. Second Life
500,000 active users
